EP 0507668 B1 19950301 - Microwave melting furnace for the vitrification and/or the thickening of materials.
Title (en)
Microwave melting furnace for the vitrification and/or the thickening of materials.
Title (de)
Mikrowellen-Schmelzofen für das Verglasen und/oder die Verdichtung von Werkstoffen.
Title (fr)
Four de fusion à micro-ondes pour la vitrification et/ou la densification de matériaux.
Publication
Application
Priority
FR 9104037 A 19910403
Abstract (en)
[origin: JPH05113500A] PURPOSE: To provide a melting furnace wherein clogging at an outlet opening is prevented by enabling continuous vitrification and/or densification of a toxic material such as a nuclear waste with microwave heating. CONSTITUTION: The furnace comprises two vertical ends 20G and 20D connected with a horizontal melting vessel 21. A material to be melted and a microwave are, through the first end 20G, introduced. In order to promote distribution of microwave output over the entire molten (22) surface, the melting vessel 21 comprises a certain section area originated from a horizontal upper part wall 31. At the second end part 21D of the furnace, a piston 26 which can adjust return of non-absorbed microwave is provided. This invention is applied to the eventual solidification by vitrification of a toxic material or a radioactive material.
IPC 1-7
IPC 8 full level
G21F 9/16 (2006.01); B09B 3/00 (2006.01); C03B 5/00 (2006.01); C03B 5/02 (2006.01); F27B 3/08 (2006.01); G21F 9/30 (2006.01); H05B 6/80 (2006.01)
CPC (source: EP US)
B09B 3/0066 (2022.01 - EP US); C03B 5/005 (2013.01 - EP US); C03B 5/023 (2013.01 - EP US); G21F 9/305 (2013.01 - EP US); H05B 6/80 (2013.01 - EP US); H05B 2206/045 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL PT SE
DOCDB simple family (publication)
EP 0507668 A1 19921007; EP 0507668 B1 19950301; AT E119139 T1 19950315; DE 69201503 D1 19950406; DE 69201503 T2 19950921; DK 0507668 T3 19950731; ES 2071448 T3 19950616; FR 2674939 A1 19921009; FR 2674939 B1 19930730; JP 2547147 B2 19961023; JP H05113500 A 19930507; US 5254818 A 19931019
DOCDB simple family (application)
EP 92400893 A 19920331; AT 92400893 T 19920331; DE 69201503 T 19920331; DK 92400893 T 19920331; ES 92400893 T 19920331; FR 9104037 A 19910403; JP 7999692 A 19920401; US 86007192 A 19920330